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Steam Nozzles and Turbines

81.

The difference of supersaturated temperature and saturation temperature at that pressure is known as .......

Answer: C

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82.

The compounding of turbines is done in order to

Answer: D

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83.

The turbine blades do not change the direction of steam issuing from the nozzle.

Answer: B

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84.

The critical pressure ratio for initially dry saturated steam is

Answer: B

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85.

The isentropic enthalpy drop in moving blade is two-third of the isentropic enthalpy drop in fixed blades of a turbine. The degree of reaction will be

Answer: A

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Answer: D

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Answer: A

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Answer: B

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89.

When the cross-section of a nozzle first increases from its entrance to throat, and then decreases from its throat to exit, it is not a convergent-divergent nozzle.

Answer: A

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Answer: D

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